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Cookie Consent

License: MIT Size Stable version

A lightweight & gdpr compliant cookie consent plugin written in plain javascript. An "all-in-one" solution which also allows you to write your cookie policy inside it without the need of having a dedicated page.

Cookie Consent cover Cookie Consent cover

Table of contents

  1. Key features
  2. Installation & Usage
  3. Layout options & customization
  4. API & config. parameters
  5. Manage third party scripts
  6. Configuration examples
  7. How to enable/manage revisions
  8. FAQ
  9. License

Key features

  • Lightweight
  • Cross-browser support (IE8+)
  • Standalone (no external dependencies needed)
  • GDPR compliant
  • Support for multi language
  • WAI-ARIA compliant
  • Allows you to define different cookie categories with opt in/out toggle
  • Allows you to define custom cookie tables to specify the cookies you use

Installation & Usage

  1. Download the latest release or use via CDN or NPM

    # CDN links
    https://cdn.jsdelivr.net/gh/orestbida/[email protected]/dist/cookieconsent.js
    https://cdn.jsdelivr.net/gh/orestbida/[email protected]/dist/cookieconsent.css

    Thanks to Till Sanders for bringing the plugin on npm.

    npm i vanilla-cookieconsent
    yarn add vanilla-cookieconsent
  2. Import the plugin: add a script tag pointing to cookieconsent.js

    <html>
        <head> <!-- head content --> </head>
        <body>
            <!-- body content -->
            <script defer src="<path-to-cookieconsent.js>"></script>
        </body>
    </html>

    Note: replace <path-to-cookieconsent.js> with a valid path!

  3. Configure and run

    • As external script

      • Create a .js file (e.g. cookieconsent-init.js) and import it in your html page

        <body>
            <!-- body content ... -->
            <script defer src="<path-to-cookieconsent.js>"></script>
            <script defer src="<path-to-cookieconsent-init.js>"></script>
        <body>
      • Configure the plugin inside cookieconsent-init.js

        // obtain plugin
        var cc = initCookieConsent();
        
        // run plugin with your configuration
        cc.run({
            current_lang: 'en',
            autoclear_cookies: true,                   // default: false
            theme_css: '<path-to-cookieconsent.css>',  // 🚨 replace with a valid path
            page_scripts: true,                        // default: false
        
            // delay: 0,                               // default: 0
            // auto_language: null                     // default: null; could also be 'browser' or 'document'
            // autorun: true,                          // default: true
            // force_consent: false,                   // default: false
            // hide_from_bots: false,                  // default: false
            // remove_cookie_tables: false             // default: false
            // cookie_name: 'cc_cookie',               // default: 'cc_cookie'
            // cookie_expiration: 182,                 // default: 182 (days)
            // cookie_domain: location.hostname,       // default: current domain
            // cookie_path: '/',                       // default: root
            // cookie_same_site: 'Lax',                // default: 'Lax'
            // use_rfc_cookie: false,                  // default: false
            // revision: 0,                            // default: 0
        
            onAccept: function (cookie) {
                // ...
            },
        
            onChange: function (cookie, changed_preferences) {
                // ...
            },
        
            languages: {
                'en': {
                    consent_modal: {
                        title: 'We use cookies!',
                        description: 'Hi, this website uses essential cookies to ensure its proper operation and tracking cookies to understand how you interact with it. The latter will be set only after consent. <button type="button" data-cc="c-settings" class="cc-link">Let me choose</button>',
                        primary_btn: {
                            text: 'Accept all',
                            role: 'accept_all'              // 'accept_selected' or 'accept_all'
                        },
                        secondary_btn: {
                            text: 'Reject all',
                            role: 'accept_necessary'        // 'settings' or 'accept_necessary'
                        }
                    },
                    settings_modal: {
                        title: 'Cookie preferences',
                        save_settings_btn: 'Save settings',
                        accept_all_btn: 'Accept all',
                        reject_all_btn: 'Reject all',
                        close_btn_label: 'Close',
                        cookie_table_headers: [
                            {col1: 'Name'},
                            {col2: 'Domain'},
                            {col3: 'Expiration'},
                            {col4: 'Description'}
                        ],
                        blocks: [
                            {
                                title: 'Cookie usage 📢',
                                description: 'I use cookies to ensure the basic functionalities of the website and to enhance your online experience. You can choose for each category to opt-in/out whenever you want. For more details relative to cookies and other sensitive data, please read the full <a href="#" class="cc-link">privacy policy</a>.'
                            }, {
                                title: 'Strictly necessary cookies',
                                description: 'These cookies are essential for the proper functioning of my website. Without these cookies, the website would not work properly',
                                toggle: {
                                    value: 'necessary',
                                    enabled: true,
                                    readonly: true          // cookie categories with readonly=true are all treated as "necessary cookies"
                                }
                            }, {
                                title: 'Performance and Analytics cookies',
                                description: 'These cookies allow the website to remember the choices you have made in the past',
                                toggle: {
                                    value: 'analytics',     // your cookie category
                                    enabled: false,
                                    readonly: false
                                },
                                cookie_table: [             // list of all expected cookies
                                    {
                                        col1: '^_ga',       // match all cookies starting with "_ga"
                                        col2: 'google.com',
                                        col3: '2 years',
                                        col4: 'description ...',
                                        is_regex: true
                                    },
                                    {
                                        col1: '_gid',
                                        col2: 'google.com',
                                        col3: '1 day',
                                        col4: 'description ...',
                                    }
                                ]
                            }, {
                                title: 'Advertisement and Targeting cookies',
                                description: 'These cookies collect information about how you use the website, which pages you visited and which links you clicked on. All of the data is anonymized and cannot be used to identify you',
                                toggle: {
                                    value: 'targeting',
                                    enabled: false,
                                    readonly: false
                                }
                            }, {
                                title: 'More information',
                                description: 'For any queries in relation to our policy on cookies and your choices, please <a class="cc-link" href="#yourcontactpage">contact us</a>.',
                            }
                        ]
                    }
                }
            }
        });

    • As inline script

      <body>
          <!-- body content ... -->
          <script defer src="<path-to-cookieconsent.js>"></script>
      
          <!-- Inline script -->
          <script>
              window.addEventListener('load', function(){
                  
                  // obtain plugin
                  var cc = initCookieConsent();
      
                  // run plugin with your configuration
                  cc.run({
                      current_lang: 'en',
                      autoclear_cookies: true,                   // default: false
                      theme_css: '<path-to-cookieconsent.css>',  // 🚨 replace with a valid path
                      page_scripts: true,                        // default: false
      
                      // delay: 0,                               // default: 0
                      // auto_language: '',                      // default: null; could also be 'browser' or 'document'
                      // autorun: true,                          // default: true
                      // force_consent: false,                   // default: false
                      // hide_from_bots: false,                  // default: false
                      // remove_cookie_tables: false             // default: false
                      // cookie_name: 'cc_cookie',               // default: 'cc_cookie'
                      // cookie_expiration: 182,                 // default: 182 (days)
                      // cookie_domain: location.hostname,       // default: current domain
                      // cookie_path: '/',                       // default: root
                      // cookie_same_site: 'Lax',                // default: 'Lax'
                      // use_rfc_cookie: false,                  // default: false
                      // revision: 0,                            // default: 0
      
                      onAccept: function (cookie) {
                          // ...
                      },
      
                      onChange: function (cookie, changed_preferences) {
                          // ...
                      },
      
                      languages: {
                          'en': {
                              consent_modal: {
                                  title: 'We use cookies!',
                                  description: 'Hi, this website uses essential cookies to ensure its proper operation and tracking cookies to understand how you interact with it. The latter will be set only after consent. <button type="button" data-cc="c-settings" class="cc-link">Let me choose</button>',
                                  primary_btn: {
                                      text: 'Accept all',
                                      role: 'accept_all'              // 'accept_selected' or 'accept_all'
                                  },
                                  secondary_btn: {
                                      text: 'Reject all',
                                      role: 'accept_necessary'        // 'settings' or 'accept_necessary'
                                  }
                              },
                              settings_modal: {
                                  title: 'Cookie preferences',
                                  save_settings_btn: 'Save settings',
                                  accept_all_btn: 'Accept all',
                                  reject_all_btn: 'Reject all',
                                  close_btn_label: 'Close',
                                  cookie_table_headers: [
                                      {col1: 'Name'},
                                      {col2: 'Domain'},
                                      {col3: 'Expiration'},
                                      {col4: 'Description'}
                                  ],
                                  blocks: [
                                      {
                                          title: 'Cookie usage 📢',
                                          description: 'I use cookies to ensure the basic functionalities of the website and to enhance your online experience. You can choose for each category to opt-in/out whenever you want. For more details relative to cookies and other sensitive data, please read the full <a href="#" class="cc-link">privacy policy</a>.'
                                      }, {
                                          title: 'Strictly necessary cookies',
                                          description: 'These cookies are essential for the proper functioning of my website. Without these cookies, the website would not work properly',
                                          toggle: {
                                              value: 'necessary',
                                              enabled: true,
                                              readonly: true          // cookie categories with readonly=true are all treated as "necessary cookies"
                                          }
                                      }, {
                                          title: 'Performance and Analytics cookies',
                                          description: 'These cookies allow the website to remember the choices you have made in the past',
                                          toggle: {
                                              value: 'analytics',     // your cookie category
                                              enabled: false,
                                              readonly: false
                                          },
                                          cookie_table: [             // list of all expected cookies
                                              {
                                                  col1: '^_ga',       // match all cookies starting with "_ga"
                                                  col2: 'google.com',
                                                  col3: '2 years',
                                                  col4: 'description ...',
                                                  is_regex: true
                                              },
                                              {
                                                  col1: '_gid',
                                                  col2: 'google.com',
                                                  col3: '1 day',
                                                  col4: 'description ...',
                                              }
                                          ]
                                      }, {
                                          title: 'Advertisement and Targeting cookies',
                                          description: 'These cookies collect information about how you use the website, which pages you visited and which links you clicked on. All of the data is anonymized and cannot be used to identify you',
                                          toggle: {
                                              value: 'targeting',
                                              enabled: false,
                                              readonly: false
                                          }
                                      }, {
                                          title: 'More information',
                                          description: 'For any queries in relation to our policy on cookies and your choices, please <a class="cc-link" href="#yourcontactpage">contact us</a>.',
                                      }
                                  ]
                              }
                          }
                      }
                  });
              });
          </script>
      <body>


Layout options & customization

You can change the color scheme with css variables inside cookieconsent.css. You can also change some basic layout options via the gui_options inside the config. object; example:

cookieconsent.run({
    // ...
    gui_options: {
        consent_modal: {
            layout: 'cloud',               // box/cloud/bar
            position: 'bottom center',     // bottom/middle/top + left/right/center
            transition: 'slide'            // zoom/slide
        },
        settings_modal: {
            layout: 'box',                 // box/bar
            // position: 'left',           // left/right
            transition: 'slide'            // zoom/slide
        }
    }
    //...
});

Default layout is box and default transition is zoom.

Note: if force_consent option is not enabled, the middle position will be ignored. As of v2.7.0 the middle position is allowed regardless of force_consent.


Manage third party scripts

You can easily manage third party scripts (enable/disable based on user's preferences) via the page_scripts option:

  1. Enable page scripts management:

    cookieconsent.run({
        // ...
        page_scripts: true
        // ...
    });
  2. Set type="text/plain" and data-cookiecategory="<category>" to any script tag you want to manage:

    <script type="text/plain" data-cookiecategory="analytics" src="analytics.js" defer></script>

    Note: data-cookiecategory must be a valid category defined inside the configuration object

API & configuration parameters

After getting the plugin like so:

var cookieconsent = initCookieConsent();

the following methods are available:

  • cookieconsent.run(<config_object>)
  • cookieconsent.show(<optional_delay>)
  • cookieconsent.hide()
  • cookieconsent.showSettings(<optional_delay>)
  • cookieconsent.hideSettings()

Additional methods for an easier management of your scripts and cookie settings (expand them to see usage example):

  • cookieconsent.accept(<accepted_categories>, <optional_rejected_categories>) [v2.5.0+]

    • accepted_categories: string or string[]
    • rejected_categories: string[] - optional

    Note: all categories marked as readonly will ALWAYS be enabled/accepted regardless of the categories provided inside the .accept() API call.

    Examples:

    cookieconsent.accept('all');                // accept all categories
    cookieconsent.accept([]);                   // accept none (reject all)
    cookieconsent.accept('analytics');          // accept only analytics category
    cookieconsent.accept(['cat_1', 'cat_2']);   // accept only these 2 categories
    cookieconsent.accept();                     // accept all currently selected categories inside modal
    
    cookieconsent.accept('all', ['analytics']); // accept all except "analytics" category
    cookieconsent.accept('all', ['cat_1', 'cat_2']); // accept all except these 2 categories

    How to later reject a specific category (cookieconsent already accepted)? Same as above:

    cookieconsent.accept('all', ['targeting']);     // opt out of targeting category

  • cookieconsent.allowedCategory(<category_name>)

    Note: there are no default cookie categories, you create them!

    A cookie category corresponds to the string of the value property inside the toggle object:

    // ...
    toggle: {
        value: 'analytics',     // cookie category
        enabled: false,         // default status
        readonly: false         // allow to enable/disable
        // reload: 'on_disable',   // allows to reload page when the current cookie category is deselected
    }
    // ...

    Example:

    // Check if user accepts cookie consent with analytics category enabled
    if (!cookieconsent.allowedCategory('analytics')) {
        // yoo, you might want to load analytics.js ...
    };

  • cookieconsent.validCookie(<cookie_name>)

    If cookie exists and has non empty ('') value => return true, otherwise false.

    // Example: check if '_gid' cookie is set
    if (!cookieconsent.validCookie('_gid')) {
        // yoo, _gid cookie is not set, do something ...
    };

  • cookieconsent.eraseCookies(<cookie_names>, <optional_path>, <optional_domains>) [v2.5.0+]

    • cookie_names: string[]
    • path: string - optional
    • domains: string[] - optional

    Examples:

    cookieconsent.eraseCookies(['cc_cookies']);             // erase "cc_cookie" if it exists
    cookieconsent.eraseCookies(['cookie1', 'cookie2']);     // erase these 2 cookies
    
    cookieconsent.eraseCookies(['cc_cookie'], "/demo");
    cookieconsent.eraseCookies(['cc_cookie'], "/demo", [location.hostname]);

  • cookieconsent.loadScript(<path>, <callback_function>, <optional_custom_attributes>)

    Basic example:

    cookieconsent.loadScript('https://www.google-analytics.com/analytics.js', function(){
        // Script loaded, do something
    });

    How to load scripts with custom attributes:

    cookieconsent.loadScript('https://www.google-analytics.com/analytics.js', function(){
        // Script loaded, do something
    }, [
        {name: 'id', value: 'ga_id'},
        {name: 'another-attribute', value: 'value'}
    ]);

  • cookieconsent.set(<field>, <object>) [v2.6.0+]

    The .set() method allows you to set the following values:

    • data (used to save custom data inside the plugin's cookie)
    • revision

    How to save custom data:

    // Set cookie's "data" field to whatever the value of the `value` prop. is
    cookieconsent.set('data', {value: {id: 21, country: "italy"}});
    
    // Only add/update the specified props.
    cookieconsent.set('data', {value: {id: 22, new_prop: 'new prop value'}, mode: 'update'});

    How to enforce/set a new revision:

    // Update revision to the new value (without prompting the user)
    cookieconsent.set('revision', {value: 2});
    
    // Update revision to the new value (ask consent before setting the new revision)
    cookieconsent.set('revision', {value: 2, prompt_consent: true});

  • cookieconsent.get(<field>) [v2.6.0+]

    The .get() method allows you to retrieve any of the fields inside the plugin's cookie:

    cookieconsent.get('level');     // retrieve all accepted categories (if cookie exists)
    cookieconsent.get('data');      // retrieve custom data (if cookie exists)
    cookieconsent.get('revision');  // retrieve revision number (if cookie exists)

  • cookieconsent.getConfig(<field>) [v2.7.0+]

    The .getConfig() method allows you to read configuration options from the current instance:

    cookieconsent.getConfig('current_lang');        // get currently used language
    cookieconsent.getConfig('cookie_expiration');   // get configured cookie expiration
    // ...

  • cookieconsent.getUserPreferences() [v2.7.0+]

    The .getUserPreferences() returns the following object (for analytics/logging purposes):

    {
        accept_type: string,            // 'all', 'necessary', 'custom'
        accepted_categories: string[],  // e.g. ['necessary', 'analytics']
        rejected_categories: string[]   // e.g. ['ads']
    }

All available options

Below a table which sums up all of the available options (must be passed to the .run() method).

Option Type Default Description
autorun boolean true If enabled, show the cookie consent as soon as possible (otherwise you need to manually call the .show() method)
delay number 0 Number of milliseconds before showing the consent-modal
cookie_expiration number 182 Number of days before the cookie expires (182 days = 6 months)
cookie_necessary_only_expiration number - Specify if you want to set a different number of days - before the cookie expires - when the user accepts only the necessary categories
cookie_path string "/" Path where the cookie will be set
cookie_domain string location.hostname Specify your domain (will be grabbed by default) or a subdomain
cookie_same_site string "Lax" SameSite attribute
use_rfc_cookie boolean false Enable if you want the value of the cookie to be rfc compliant
theme_css string - Specify path to the .css file
force_consent boolean false Enable if you want to block page navigation until user action (check faq for a proper implementation)
revision number 0 Specify this option to enable revisions. Check below for a proper usage
current_lang string - Specify one of the languages you have defined (can also be dynamic): 'en', 'de' ...
auto_language string null Language auto-detection strategy. Null to disable (default), "browser" to get user's browser language or "document" to read value from <html lang="..."> of current page. If language is not defined => use specified current_lang
autoclear_cookies boolean false Enable if you want to automatically delete cookies when user opts-out of a specific category inside cookie settings
page_scripts boolean false Enable if you want to easily manage existing <script> tags. Check manage third party scripts
remove_cookie_tables boolean false Enable if you want to remove the html cookie tables (but still want to make use of autoclear_cookies)
hide_from_bots boolean false Enable if you don't want the plugin to run when a bot/crawler/webdriver is detected
gui_options object - Customization option which allows to choose layout, position and transition. Check layout options & customization
onAccept function - Method run on:
1. the moment the cookie consent is accepted
2. after each page load (if cookie consent has already been accepted)
onChange function - Method run whenever preferences are modified (and only if cookie consent has already been accepted)
onFirstAction function - Method run only once when the user makes the initial choice (accept/reject)
languages object - Check below for configuration

Full example configurations

  • Configuration with gtag.js - Google Analytics

    1. enable page_scripts
    2. set type="text/plain" and data-cookiecategory="<your-category>" to each script:

    <!-- Global site tag (gtag.js) - Google Analytics -->
    <script type="text/plain" data-cookiecategory="analytics" async src="https://www.googletagmanager.com/gtag/js?id=GA_MEASUREMENT_ID"></script>
    <script type="text/plain" data-cookiecategory="analytics">
        window.dataLayer = window.dataLayer || [];
        function gtag(){window.dataLayer.push(arguments);}
        gtag('js', new Date());
    
        gtag('config', 'GA_MEASUREMENT_ID');
    </script>
    
    <script defer src="<path-to-cookieconsent.js>"></script>
    <script>
        window.addEventListener('load', function () {
            // obtain cookieconsent plugin
            var cookieconsent = initCookieConsent();
    
            // run plugin with config object
            cookieconsent.run({
                autorun: true,
                current_lang: 'en',
                theme_css: '<path-to-cookieconsent.css>',
                autoclear_cookies: true,
                page_scripts: true,
    
                onAccept: function (cookie) {
                    // ... cookieconsent accepted
                },
    
                onChange: function (cookie, changed_preferences) {
                    // ... cookieconsent preferences were changed
                },
    
                languages: {
                    en: {
                        consent_modal: {
                            title: 'I use cookies',
                            description: 'Hi, this website uses essential cookies to ensure its proper operation and tracking cookies to understand how you interact with it. The latter will be set only upon approval. <a aria-label="Cookie policy" class="cc-link" href="#">Read more</a>',
                            primary_btn: {
                                text: 'Accept',
                                role: 'accept_all'              // 'accept_selected' or 'accept_all'
                            },
                            secondary_btn: {
                                text: 'Settings',
                                role: 'settings'                // 'settings' or 'accept_necessary'
                            }
                        },
                        settings_modal: {
                            title: 'Cookie preferences',
                            save_settings_btn: 'Save settings',
                            accept_all_btn: 'Accept all',
                            reject_all_btn: 'Reject all',       // optional, [v.2.5.0 +]
                            cookie_table_headers: [
                                {col1: 'Name'},
                                {col2: 'Domain'},
                                {col3: 'Expiration'},
                                {col4: 'Description'},
                                {col5: 'Type'}
                            ],
                            blocks: [
                                {
                                    title: 'Cookie usage',
                                    description: 'I use cookies to ensure the basic functionalities of the website and to enhance your online experience. You can choose for each category to opt-in/out whenever you want.'
                                }, {
                                    title: 'Strictly necessary cookies',
                                    description: 'These cookies are essential for the proper functioning of my website. Without these cookies, the website would not work properly.',
                                    toggle: {
                                        value: 'necessary',
                                        enabled: true,
                                        readonly: true
                                    }
                                }, {
                                    title: 'Analytics cookies',
                                    description: 'These cookies collect information about how you use the website, which pages you visited and which links you clicked on. All of the data is anonymized and cannot be used to identify you.',
                                    toggle: {
                                        value: 'analytics',
                                        enabled: false,
                                        readonly: false
                                    },
                                    cookie_table: [
                                        {
                                            col1: '^_ga',
                                            col2: 'google.com',
                                            col3: '2 years',
                                            col4: 'description ...',
                                            col5: 'Permanent cookie',
                                            is_regex: true
                                        },
                                        {
                                            col1: '_gid',
                                            col2: 'google.com',
                                            col3: '1 day',
                                            col4: 'description ...',
                                            col5: 'Permanent cookie'
                                        }
                                    ]
                                }, {
                                    title: 'More information',
                                    description: 'For any queries in relation to my policy on cookies and your choices, please <a class="cc-link" href="#yourwebsite">contact me</a>.',
                                }
                            ]
                        }
                    }
                }
            });
        });
    </script>

  • More to be added ...

How to configure languages & cookie settings

Languages is an object which basically holds all of the text/html of your cookie modals in different languages. In here you can define cookie categories, cookie tables, opt-in/out toggle for each category and more. For each language, a consent_modal object and a settings_modal object must be configured.

Example with multiple languages ('en' and 'it')

cookieconsent.run({
    // ...,
    languages: {
        'en': {
            consent_modal: {
                title: 'Title here ...',
                description: 'Description here ...',
                primary_btn: {
                    text: 'Accept',
                    role: 'accept_all'      // 'accept_selected' or 'accept_all'
                },
                secondary_btn: {
                    text: 'Settings',
                    role: 'settings'        // 'settings' or 'accept_necessary'
                }
            },
            settings_modal: {
                title: 'Cookie preferences ...',
                save_settings_btn: 'Save settings',
                accept_all_btn: 'Accept all',
                blocks: [
                    {
                        title: 'First block title ...',
                        description: 'First block description ...'
                    }, {
                        title: 'Second block title ...',
                        description: 'Second block description ...',
                        toggle: {
                            value: 'my_category1',
                            enabled: true,
                            readonly: true
                        }
                    }, {
                        title: 'Third block title ...',
                        description: 'Third block description ...',
                        toggle: {
                            value: 'my_category2',
                            enabled: false,
                            readonly: false
                        }
                    }
                ]
            }
        },
        'it': {
            consent_modal: {
                title: 'Title in italian here ...',
                description: 'Description in italian here ...',
                primary_btn: {
                    text: 'Accept in italian',
                    role: 'accept_all'      //'accept_selected' or 'accept_all'
                },
                secondary_btn: {
                    text: 'Settings',
                    role: 'settings'        //'settings' or 'accept_necessary'
                }
            },
            settings_modal: {
                title: 'Cookie preferences ...',
                save_settings_btn: 'Save settings in italian',
                accept_all_btn: "Accept all",
                blocks: [
                    {
                        title: 'First block title in italian ...',
                        description: 'First block description in italian ...'
                    }, {
                        title: 'Second block title in italian ...',
                        description: 'Second block description in italian...',
                        toggle: {
                            value: 'my_category1',
                            enabled: true,
                            readonly: true
                        }
                    }, {
                        title: 'Third block title in italian ...',
                        description: 'Third block description in italian...',
                        toggle: {
                            value: 'my_category2',
                            enabled: false,
                            readonly: false
                        }
                    }
                ]
            }
        }
    }
});

Example with custom cookie table

You can create tables with a custom number of columns to explain what each cookie does.

NOTE: If you want to also use autoclear_cookie, make sure the first column of the cookie table contains the name of the cookie.

Check demo app.js which has a full example with cookie table.

How to enable/manage revisions

Note:

  • default revision number is 0
  • if existing revision number is different from the one you just specified => show consent modal
  1. Enable revisions by specifying a valid revision parameter:

    cookieconsent.run({
        // ...,
        revision: 1,
        // ...
    })
  2. Set a valid revision_message parameter (optional) inside consent_modal, and add the following placeholder {{revision_message}} inside description:

    cookieconsent.run({
        // ...,
        revision: 1,
        // ...,
        languages: {
            en: {
                consent_modal: {
                    // ...,
                    description: 'Usual description ... {{revision_message}}',
                    revision_message: '<br> Dude, my terms have changed. Sorry for bothering you again!',
                    // ...
                },
                // ...
            }
        }
        // ...
    })

FAQ

  • How to enable dark-mode

    Either manually add the following class c_darkmode to the body/html tag, or toggle it via javascript:

    document.body.classList.toggle('c_darkmode');

  • How to add link/button to open cookie settings

    Create a link (or button) with data-cc="c-settings" attribute:

    <a href="javascript:void(0);" aria-label="View cookie settings" data-cc="c-settings">Cookie Settings</a>

  • How to integrate with my multi-language website

    If you have multiple versions of your html page, each with a different <html lang="..." > attribute, you can grab this value using:

    document.documentElement.getAttribute('lang');

    and then set it as current_lang value like this:

    cookieconsent.run({
        // ...
        current_lang: document.documentElement.getAttribute('lang'),
        // ...
    });

    Note: make sure that the lang attribute's value format (example: 'en' => 2 characters) is identical to the ones you defined. If you have 'en-US' as lang attribute, make sure to also specify 'en-US' (and not just 'en') in the config. parameters.

  • How to load scripts after a specific cookie category has been accepted

    Suppose you have a analytics.js file you want to load after the analytics category has been accepted:

    • Method 1 (recommended)

      1. enable page_scripts:

        cookieconsent.run({
            // ...
            page_scripts: true,
            // ...
        });
      2. add a <script> tag with the following attributes: type="text/plain" and data-cookiecategory="<category>"

        <script type="text/plain" data-cookiecategory="analytics" src="<path-to-analytics.js>"></script>

    • Method 2

      Load script using the .loadScript() method inside the onAccept method:

      cookieconsent.run({
          // ...
          onAccept: function () {
              if (cookieconsent.allowedCategory('analytics')) {
                  cookieconsent.loadScript('<path-to-analytics.js', function () {
                      // script loaded ...
                  });
              }
          }
      })

  • How to autoload the .css file

    You need to set theme_css to a valid path.

    cookieconsent.run({
        // ...
        theme_css: '../src/cookieconsent.css',
        // ...
    });

  • Make consent required (block page navigation until action)

    This is a css only solution:

    1. enable force_consent option:
      cookieconsent.run({
          // ...
          force_consent: true,
          // ...
      });
    2. That should do it. If you want to remove the weird horizontal jump (due to the scrollbar disappearing) you can add the following style inside the head tag of your page:
      <style>
          html,
          body {
              height: auto!important;
              width: 100vw!important;
              overflow-x: hidden!important;
          }
      </style>

    For a full example check the second demo.

  • How to create custom cookie tables

    • Cookie tables are defined by you, that is you choose how many columns and what their naming will be
    • Make sure that the first column of the table contains the name of the cookie for autoclear_cookie to work properly

    1. Specify the table structure via the cookie_table_headers property inside settings_modal object:

      Example with 3 columns:

      // ...
      cookie_table_headers: [
          {col1: "Name"},
          {col2: "Source"},
          {col3: "Description"},
      ]
      // ...
    2. Now you can create a cookie_table array of objects:

      // ...
      cookie_table: [
          {
              col1: '_ga',
              col2: 'google.com',
              col3: 'description ..',
          },
          {
              col1: '_gid',
              col2: 'google.com',
              col3: 'description ..',
          }
      ]
      // ...

    Check the examples above for a valid implementation.

  • How to use in React

    1. Create a new component: CookieConsent.js

      import { useEffect } from "react";
      
      import "./<path-to-cookieconsent.css>";
      import "./<path-to-cookieconsent.js>";
      
      export default function CookieConsent() {
          useEffect(() => {
              const cc = window.initCookieConsent();
      
              cc.run({
                  // your config
              });
      
          }, []);
      
          return null;
      }
    2. Import the component only once (generally in your main/root component like App.js or index.js)

      import CookieConsent from "./<path-to-CookieConsent.js-component>";
      
      export default function App() {
          return (
              <div className="App">
                  <h1>Hello World</h1>
                  
                  <CookieConsent/>
              </div>
          );
      }

License

Distributed under the MIT License. See LICENSE for more information.

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🍪 Simple cross-browser cookie-consent plugin written in vanilla js

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